cast-iron

a cast-iron promise or arrangement is one that can be trusted completely (always before noun) No new business comes with a cast-iron guarantee of success.

Common Names:

Name	Pronounced	Usage
Meinard	MIE-nahrt	German
Trish	TRISH	English
Ania	AHN-yah (Polish)	Polish, Russian
Caiside	-	Ancient Irish
Aeneas	[i:'ni:æs]
Chandra	-	Hinduism, Bengali, Indian, Assamese, Hindi, Marathi, Telugu, Tamil, Kannada, Nepali